Threats Tagged 'cve-2026-19676'
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Threats Tagged 'cve-2026-19676'
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0 CVE-2026-19676 is a memory-safety vulnerability in the Zephyr project's PECI drivers that allows a user-mode thread with PECI device access to perform arbitrary kernel memory reads and writes. This flaw arises because the user-mode verifier does not properly validate embedded buffer pointers in the peci_msg structure, enabling kernel memory corruption or disclosure. Exploitation requires user-mode code execution with PECI device permissions and specific PECI drivers enabled. The vulnerability has a high severity score of 7.8 and allows privilege escalation to supervisor mode. A fix has been implemented to add proper memory access checks on the embedded buffers. Join the discussion | CVE Database V5 | 10/21/2026, 18:19:27 UTC Added: 10/21/2026, 18:31:45 UTC |
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